australia will not see another one for nearly 400 years. >> wow, cool. great pictures. >>> the military chief of hamas has been killed in one of the fiercest assaults on gaza in years. the israeli defense forces posted video of the attack on youtube. armed groups are vowing to avenge the assassination. both sides fighting a twitter war. all that ahead. ♪ [ male announcer ] this is karen and jeremiah. they don't know it yet, but they're gonna fall in love, get married, have a couple of kids, [ children laughing ] move to the country, and live a long, happy life together where they almost never fight about money. [ dog barks ] because right after they get married, they'll find some retirement people who are paid on salary, not commission. they'll get straightforward guidance and be able to focus on other things, like each other, which isn't rocket science. it's just common sense. from td ameritrade. >>> if you like to video chat on skype, hold off until you hear our report. a security flaw that they had to fix today. that's ahead. >>> israel has launched